JOSEPH L MAZZEI CRNA
NPI 1164476537
Nurse Anesthetist, Certified Registered in Wells, ME

Q: What is Joseph Mazzei's NPI number?

The NPI number for Joseph Mazzei is 1164476537. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is Joseph Mazzei's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Mazzei was last updated on May 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 20, 2006PECOS Enrolled

125 DWIGHT DR, WELLS, ME 04090(207) 251-4300(207) 251-4300 Get Directions Write a Review

NPPES record last updated: May 12, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Joseph L Mazzei Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH L MAZZEI CRNA (NPI 1164476537) is an individual nurse anesthetist, certified registered in Wells, Maine, licensed in Tennessee (RN92791/ARNP9836) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164476537

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameJOSEPH L MAZZEICredential: CRNA

Location Address125 DWIGHT DRWells, ME 04090-5756

Mailing AddressPo Box 446Wells, ME 04090-0446 · (207) 251-4300 · Fax (207) 251-4300

Phone(207) 251-4300

Fax(207) 251-4300

Sole ProprietorYes

Enumeration DateMay 20, 2006

Last NPPES UpdateMay 12, 2008

✔ NPI 1164476537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in TN · RN92791/ARNP9836

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

125 DWIGHT DR, Wells, ME 04090

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Other Identifiers 3

Medicaid3633303TN

Other4112595TN · Bcbs Tn

Medicare ID-Type Unspecified3633303TN · Cigna Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph L Mazzei Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Mazzei reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maine Anesthesia Partners LLC

25 mi

Nurse Anesthetist, Certified Registered

53 SEWALL ST
Portland, ME 04102

Reassigned Medicare billing, Maine enrollment
22 clinicians in this Medicare group

NPI 1265296651 (207) 272-0707

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

78 services69 patients

Anesthesia for procedure on eyelid 00103

Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.

17 services17 patients

Anesthesia for retinal surgery 00145

Anesthesia for retinal surgery involves using medications to numb your eye and surrounding area. This prevents pain and discomfort during the procedure. You may also receive medication to help you relax. The anesthesia can be local (just your eye) or general (you're asleep).

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$128.83 typical visit price

range $56.28 – $169.96

Typical copayment $32.20 (range $14.07 – $42.49)

Most-billed visit code 99204

Established Patient

$70.13 typical visit price

range $18.22 – $138.92

Typical copayment $17.53 (range $4.55 – $34.73)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Mazzei's NPI number?

The NPI number for Joseph Mazzei is 1164476537. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Joseph Mazzei located?

Joseph Mazzei practices at 125 Dwight Dr, Wells, ME 04090. The listed phone number is (207) 251-4300.

What is Joseph Mazzei's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Joseph Mazzei enrolled in Medicare?

Yes. Joseph Mazzei is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joseph Mazzei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Mazzei reassigns Medicare benefits to Maine Anesthesia Partners LLC (Portland, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Mazzei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Mazzei was last updated on May 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.